EARLY ANURIA PREVENTION IN HUMAN KIDNEY TRANSPLANTATION

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Abstract
In human kidney transplantation, a high blood flow established through the graft immediately upon clamp release is usually associated with immediate satisfactory renal function. One hundred consecutive kidney transplant patients were thus provided with a large volume of fluid during surgery. To avoid pulmonary edema, fluid load was given under mean pulmonary arterial pressure .**GRAPHIC**. monitoring, and controlled ventilation was maintained during the early postoperative period. Whether initial .**GRAPHIC**. value was within normal range or elevated, all patients required an equivalent fluid load to reach the best hemodynamic condition upon clamp removal. The mean intraoperative fluid load consisted of 2406 .+-. 968 ml of water with 22.8 .+-. 9.4 g of NaCl, 5.9 .+-. 1.8 units of albumin, and 2.6 .+-. 1.8 units of packed red blood cells. Immediately before clamp release patients were given furosemide and mannitol. During the postoperative period, i.v. infusions consisted of water and NaCl (6 g/l) to match urine output, provided that diuresis was equal to or above 400 ml/h. If diuresis remained or decreased below this level, diuresis replacement was associated with .**GRAPHIC**. infusion of saline, albumin, and red blood cells if needed. Furosemide was eventually given if diuresis did not increase above 400 ml/h with fluid loading. With this protocol a good early diuresis was established in 95% of the cases. Ten patients required dialysis before the 5th postoperative day, 1 of them because of fluid overload and anuria. Concurrently, a decreased mortality rate and an increased graft survival rate were observed.

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